The investment seeks to track the investment results of an index composed of developed market equities in the infrastructure industry. The fund generally invests at least 90% of its assets in securities of the underlying index and in depositary receipts representing securities of the underlying index. It seeks to track the investment results of the S&P Global Infrastructure IndexTM (the "underlying index"), which is designed to track performance of the stocks of large infrastructure companies in developed markets, or whose stocks are listed on developed market exchanges around the world.